range of a relation 中文意思是什麼

range of a relation 解釋
關系的值域
  • range : vt 1 排列；整理（頭發等）。2 使歸類[班、行、隊]；把…分類。3 〈用被動形或反身形〉加入，站住…的一邊...
  • of : OF ＝Old French 古法語。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時，冠以不定冠詞主要表示類...
  • relation : n 1 說話，敘述，報告；故事。2 關系，聯系；〈pl 〉（利害）關系，交情；〈pl 〉國際關系。3 親戚關系...
  1. At the same time, at the aspect of theory, we give a lot of results, including : performance calculating formula of fft phase comparing, coincidence relation of calculating result and target " s real range, calculating formula under zeroize fft or single channel

    在相關理論上，我們提出了fft比相的性能指標計算公式、 fft比相下測距結果與目標實際位置之間的對應關系、補零和單通道下的fft比相結果。
  2. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先，本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上，對全長粘結式砂漿錨桿作用力學機理進行了深入研究，為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次，針對傳統錨桿有限元模擬方法的局限性與不足，在上述全長粘結式砂漿錨桿作用力學機理研究基礎上，建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後，運用上述復合砂漿錨桿單元模型，引進非線性有限元分析手段，開發了隧道支護穩定性分析的有限元程序，並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討，得到了對隧道支護設計具有指導意義的結論;最後，運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算，探討了其應用方法，並就隧道變形與應力及塑性區分佈規律進行了分析，從而提出了合理的支護方案，為隧道支護設計提供了參考依據，完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  3. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  4. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  5. In this paper, truesdell derivative is applied into large strain consolidation constitutive relation, which take consideration of the influence of rigidity rotation and deformation, and which makes the theory objective in a wide range

    大變形分析中應當採用客觀的應力應變度量。將truesdell率引入到本構關系中，既考慮了剛體旋轉不變性又考慮了變形的影響，使歐拉大變形固結理論具有廣泛的客觀性。
  6. Policy is based on the fluctuation of the relation between the nation and the community. the community has different functional requirements of the government, while the change of the corresponding function of the government also demands different policies. therefore, the range of the policy embodies the function of the government, which aims to regulate the community so that justice and efficiency can be achieved in a certain time

    本文認為：所謂政策，其基礎來自國家與社會關系的變動，社會對政府提出不同職能要求，政府的相應功能發生變化，提出不同的政策，因而，政策的范圍體現了政府的職能，其目的是調節社會以達到一定階段下的公平或者效率，在這過程中必然對社會資源做出一些重新分配。
  7. A stick - slip vibration equation is established for sdof system, and conditions which stick - slip vibrations begin to occur are deduced, the effects of drive velocity exerted on the range of slip are analyzed, and the results of numerical calculation show that there exists a linear relation between them

    分析了驅動速度對粘滑振幅的影響，應用數值方法對三種不同摩擦模型進行了分析計算，結果表明粘滑振幅與驅動速度近似成線性關系。
  8. An apparent activation energy of 182. 35kj / mol was obtained for the range of 1250 c to 1350 c, and that of 82. 32kj / mol for the range of 1350 c to 1400 c. at the same time, the relation between reaction velocity and reaction time is linear in the range of 1250 c to 1350 c, but it is a parabola curve in the range of 1350 c to 1400 c. so it can be concluded that the process undergone in the range of 1250 c to 1350 c is controlled by chemical reaction while that in the range of 1350 c to 1400 c by diffusion

    本實驗採用的試樣是以鈦白粉和活性碳按1 ： 30的比例混合料為原料，在6mp下成型為37 . 2 26mm的柱形樣塊，分別在1250 、 1350和1400于氮化爐中測定反應速率與時間的關系。當反應在1250 1350時，表觀活化能為182 . 35kj mol 160kj mol ，反應速率與時間的關系是線性的，說明此階段反應由化學反應控制。當反應在1350 1400時，表觀活化能為82 . 32kj mol 160kj mol ，反應速率與時間的關系符合拋物線方程，說明此階段反應由擴散控制。
  9. A new coefficient of prandtl ' s relation was obtained from the experimental data. compared with three conventional relations of friction factor, the range of reynolds number was extended

    在實驗結果的基礎上提出了普朗特摩擦系數關系式的新系數，與常用的摩擦系數關系式相比，擴大了普朗特摩擦系數關系式的雷諾數應用范圍。
  10. The study of phase formation of the polycrystalline la1 - xagxmno a series of polycrystalline la1 - xagxmno3 samples with x range nominally from 0. 05 to 0. 45 were investigated, and found that the critical phase temperature has close relation with the content of silver in the sample. and pointed out in the case of agl + doped in lamno3, when x achieved a fixed value ( x = 0. 15 ), ag would separate out, ag - rich phase appeared, samples became compound phase

    並且當銀含量達到一定程度時會有單質銀析出，我們認為這是因為銀離子在溶膠?凝膠的過程中被還原成單質，以銀團簇的形態存在於樣品中，隨著燒結溫度的提高，銀原子逐漸被氧化成銀離子，取代la ~ （ 3 + ） ，進入晶格，形成鈣鈦礦結構。
  11. As an otc system, it covers a wider range of trading instruments, less complicated trading procedures, unique trading rules and observes different legal relation with investors, as in comparison with traditional stock exchanges

    它屬于場外交易場所的范疇，與傳統交易所相比，其交易對象更廣，交易流程更為便捷，交易規則特殊，同投資者之間的法律關系也不同。
  12. Jinke is a trustworthy partner for its sound relation with governmental departments, powerful financial strength, sufficient production and warehousing space, a complete range of supporting facilities, matured management concepts and strict enterprise management

    金科擁有良好的政府關系和雄厚的資金實力，生產場地和倉儲面積寬裕，配套設施齊全，經營理念成熟，工廠管理嚴密，是一家值得信賴的合作夥伴。
  13. Especially tourism, it involves a wide range of knowledge, great coverage, relation being strong, and need supplementary and support of many industry, in the mean time, it need powerful organization to plan and coordinate to ensure the validity, continuance, adaptation. the text explicitly analyzes various kinds of environmental factors which influence and restrain the development of tourism such as economy, culture, demand, resource etc, and in the base of it account how a area work out development strategy adapting to area condition in terms of existing superiority and weakness of development environment

    發展戰略的制訂是復雜而系統的工作，尤其是旅遊產業，其涉及面廣、覆蓋面大、關聯性較強，需要眾多行業的輔助和支持，同時還需要強有力的組織去規劃和協調才能保證戰略的有效性、持續性和適應性。本文詳細分析了影響和制約區域旅遊產業發展的各種環境因素，如經濟、文化、需求、資源等諸多環節，並在此基礎上引申出一個區域如何根據發展環境中存在的優勢和劣勢，制訂出符合本區域特點的發展戰略。
  14. Their periods, in the range of a few days to a few months, have a definite relation with the luminosities

    最特別的是，它們的光變周期和光度有直接的關系，周期越長，亮度越大。
  15. The paper shows as well that the image structure and canonical epistemic states can be used not only to get the representation result for wci - recovering contraction relation, but also to provide semantic characterizations for a wide range of recovering contraction relations

    我們在文中還指出圖像結構以及典範認知狀態不但能刻畫wci -可恢復收縮關系的表示定理，而且能就多種可恢復收縮關系給出他們的語義表示。
  16. A conclusion of dispersions along with firing range and the relation between bias error and dispersion are analyzed

    分析了密集度隨射程的變化規律及準確度與密集度的關系。
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